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At a certain temperature, .4211 mol of N2 and 1.801 mol H2 are placed in a...

At a certain temperature, .4211 mol of N2 and 1.801 mol H2 are placed in a 1.50L beaker. At Equilibrium, .1001 mol N2 is present. Calculate Kc.
N2(g)+3H2(g) -->2NH3(g)
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